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Distillability of two entanglement particles transmitted through a noisy channel
Yi, XX; Guo, GC; Yi, XX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2000
发表期刊PHYSICAL REVIEW A
ISSN1050-2947
卷号62期号:6页码:-
摘要A quantum system is called separable if its density matrix can be written as a mixture of product stares. In this paper we apply the separability criterion as well as the distillability criterion to show that any initial inseparable 2 x 2 system retains its inseparability after its transmission through a noisy channel which consists of a set of harmonic oscillators. Hence the final state of the system can be distilled to a singlet form. For higher dimensions, however, this result is no longer true in general. The distillability of a state with higher dimensions after its transmission through the noisy channel is also discussed in this paper.
部门归属Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; NE Normal Univ, Inst Theoret Phys, Changchun 130024, Peoples R China; Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China; Univ Sci & Technol China, Ctr Nonlinear Sci, Hefei 230026, Peoples R China
关键词Quantum-computer Memory Reducing Decoherence Density-matrices Wave-function Mixed States Separability Distillation Dissipation Criterion Cannot
学科领域Physics
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收录类别SCI
WOS记录号WOS:000165697200027
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12868
专题理论物理所1978-2010年知识产出
通讯作者Yi, XX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Yi, XX,Guo, GC,Yi, XX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Distillability of two entanglement particles transmitted through a noisy channel[J]. PHYSICAL REVIEW A,2000,62(6):-.
APA Yi, XX,Guo, GC,&Yi, XX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2000).Distillability of two entanglement particles transmitted through a noisy channel.PHYSICAL REVIEW A,62(6),-.
MLA Yi, XX,et al."Distillability of two entanglement particles transmitted through a noisy channel".PHYSICAL REVIEW A 62.6(2000):-.
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